Searches

Clusty
Impressive; news very current; images linked to articles
Grokker
Visually not as simple to use. How often does it return commercial sites?
http://www.hpol.org/
Lack of content?
http://kartoo.com/
Looks like it will appeal to kids. May help kids refine their search. Cluster their results.
http://kooltorch.com/
Visual display of results with subtopics suggested. Hover over results displays a preview, URL and description. Open directory... you can add to it! (Powered by Google)
http://kids.quintura.com/
Content for older kids yet interface is young looking.
http://redzee.com/
Cute first page but lots of reading on the search pages. Definitions of search terms at top.
http://searchengineland.com/
http://www.searchthetail.com/
Useful for narrowing search topics. Google sponsored.
http://www.readwriteweb.com/archives/top_100_alternative_search_engines.php